89663040 has 168 divisors, whose sum is σ = 311920128. Its totient is φ = 23639040.

The previous prime is 89663029. The next prime is 89663047. The reversal of 89663040 is 4036698.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 89662986 and 89663004.

It is not an unprimeable number, because it can be changed into a prime (89663047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 469345 + ... + 469535.

Almost surely, 2^89663040 is an apocalyptic number.

89663040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89663040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155960064).

89663040 is an abundant number, since it is smaller than the sum of its proper divisors (222257088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89663040 is a wasteful number, since it uses less digits than its factorization.

89663040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 89663040 is about 9469.0569752220. The cubic root of 89663040 is about 447.5804959073.

It can be divided in two parts, 896 and 63040, that added together give a palindrome (63936).

The spelling of 89663040 in words is "eighty-nine million, six hundred sixty-three thousand, forty".